Question

Recessive mutations are expressed normally 1) has to express always since it is a mutation 2) in heterozygous condition
3) neither in homozygous norin heterozygous condition
4) in homozygous condition​

Answer 1

If the mutation is expressed in heterozygous condition, it is called as a dominant mutation. In the dominant mutation, the individual carries one mutant and one normal allele I hope it's helpfull ✌✌